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Alecsey [184]
2 years ago
8

I NEED HELP ASAP PLEASE

Mathematics
2 answers:
miv72 [106K]2 years ago
8 0

Answer:

10, 20, 15

Step-by-step explanation:

10 is the lowest so that leaves the mean and range well the range is the highest value minus the lowest and the range is 10 so 20-10=10

so we now have 10 and 20 so then what number divided by three as in three darts equals 15 I go down the list and I get 45/3 and it equals 15

Crazy boy [7]2 years ago
4 0

10,15,20 were the numbers she threw.

I'm quite sure (like 100%)

[you could even check]

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The blueprint of a pool has a scale of 2 inches equals 7 feet. The scale drawing is shown below. the length is 20 and the width
AlladinOne [14]

Answer:

Part A:

Blueprint 10 inches ⇒ Actual 35 feet

Blueprint 20 inches ⇒ Actual 70 feet

Part B:

The cost of the cover is $857.5

Step-by-step explanation:

Part A:

∵ The drawing scale is 2 inches for 7 feet

∵ The length = 20 inches and the width = 10 inches

∴ The actual length = (20 × 7) ÷ 2 = 70 feet

∴ The actual width = (10 × 7) ÷ 2 = 35 feet

Part B:

∵ The cost per square foot = $0.35

∵ The area of the pool = 70 × 35 = 2450 feet ²

∴ The cost of the cover = 2450 × 0.35 = $857.5

8 0
3 years ago
What is 66×21? idk help me plz​
Olegator [25]

Answer:

1386

Step-by-step explanation:

If you have trouble with that, you can multiply 66 by 20, then 66*1, and add them (break apart the 21.)

6 0
3 years ago
~!!!!! PLEASE HELP IM IN 7TH GRADE LEARNING 9TH AND 8TH GRADE MATH !!!!!~
chubhunter [2.5K]
Y = mx+b that’ll help you answer it
7 0
3 years ago
Evaluate each expression for the given values of the variables. SHOW ALL WORK
Reika [66]

Answer:

3(2c+d)−d

Distribute:

=(3)(2c)+(3)(d)+−d

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Combine Like Terms:

=6c+3d+−d

=(6c)+(3d+−d)

=6c+2d

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Step-by-step explanation:

3 0
3 years ago
Please help with this question<br> 2(2w-6)=6(w-6)+14<br> w=?
IRISSAK [1]
4w-12=6w-36+14
4w-12=6w-22
      10=2w

5=w
(I think)
8 0
3 years ago
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